Home / 4,667.20-7,001.16-1,380.22

Finding the Fourth Proportional to 4,667.20, 7,001.16 and 1,380.22

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Solution

The fourth proportional to 4,667.20, 7,001.16 and 1,380.22 is: 2,070.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,667.20 : 7,001.16 = 1,380.22 : x
  2. Step 2: Convert to fraction form
    4,667.20/7,001.16 = 1,380.22/x
  3. Step 3: Cross multiply
    4,667.20x = 7,001.16 × 1,380.22
  4. Step 4: Simplify right side
    4,667.20x = 9,663,141.06
  5. Step 5: Solve for x
    x = 9,663,141.06/4,667.20
  6. Step 6: Final answer
    x = 2,070.44

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.